A128308 Binomial transform of A128307.

1, 1, 1, 2, 2, 1, 6, 4, 3, 1, 19, 10, 7, 4, 1, 59, 29, 17, 11, 5, 1, 180, 88, 46, 28, 16, 6, 1, 544, 268, 134, 74, 44, 22, 7, 1, 1637, 812, 402, 208, 118, 66, 29, 8, 1, 4917, 2449, 1214, 610, 326, 184, 95, 37, 9, 1

Offset: 1

Author

Gary W. Adamson, Feb 25 2007

Keywords

• nonn
• tabl

Comments

Row sums = A007051: (1, 2, 5, 14, 41, 122, ...).

See also the comments in A111277.

Examples

			First few rows of the triangle:
   1;
   1,  1;
   2,  2,  1;
   6,  4,  3,  1;
  19, 10,  7,  4,  1;
  59, 29, 17, 11,  5,  1;
  ...
		

Crossrefs

Cf. A007051, A128307, A007318.

The first column is A111277.

Formula

A007318 * A128307 as infinite lower triangular matrices.

Extensions

Crossref to A111277 added by Peter J. Taylor, Jul 23 2014